
* {
    margin: 0;
    padding: 0;
}

.content {
    margin:98px  auto;
    width: 800px;
    height: 600px;
   /*设置边框阴影*/
    box-shadow: cornflowerblue 10px 10px 30px 5px;
    text-align: center;
}
.content input{
    width: 240px;
    height: 35px;
    margin:20px 30px ;
}

.user-button {
    border-radius: 5px;
    width: 100px;
    height: 40px;
    display: inline-block;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    background: #409eff;
    border: 1px solid #dcdfe6;
    color: white;
    -webkit-appearance: none;
    text-align: center;
    box-sizing: border-box;
    outline: none;
    margin: 0;
    transition: .1s;
    font-weight: 500;
    margin: 7px 40px;
}
.bottom{
    margin-top: 20px;
}